From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Tue, 02 Mar 2021 18:04:33 +0100
Subject: [PATCH] gnu: python-matplotlib: Run under Wayland with GTK3.

Adopted from upstream's fix[0] for
<https://github.com/matplotlib/matplotlib/issues/19405>.

[0]: https://github.com/liuyun88/matplotlib/commit/3d5000463bd23cb046681220f5511f07743f7d82

---
diff -Naur a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
--- a/lib/matplotlib/backends/backend_gtk3.py	2019-11-21 23:47:05.000000000 +0100
+++ b/lib/matplotlib/backends/backend_gtk3.py	2021-03-02 18:00:57.479929766 +0100
@@ -42,11 +42,12 @@
 
 try:
+    _display = Gdk.Display.get_default()
     cursord = {
-        cursors.MOVE          : Gdk.Cursor.new(Gdk.CursorType.FLEUR),
-        cursors.HAND          : Gdk.Cursor.new(Gdk.CursorType.HAND2),
-        cursors.POINTER       : Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR),
-        cursors.SELECT_REGION : Gdk.Cursor.new(Gdk.CursorType.TCROSS),
-        cursors.WAIT          : Gdk.Cursor.new(Gdk.CursorType.WATCH),
+        cursors.MOVE          : Gdk.Cursor.new_from_name(_display, "move"),
+        cursors.HAND          : Gdk.Cursor.new_from_name(_display, "pointer"),
+        cursors.POINTER       : Gdk.Cursor.new_from_name(_display, "default"),
+        cursors.SELECT_REGION : Gdk.Cursor.new_from_name(_display, "crosshair"),
+        cursors.WAIT          : Gdk.Cursor.new_from_name(_display, "wait"),
     }
 except TypeError as exc:
     # Happens when running headless.  Convert to ImportError to cooperate with
